OQ -0141 Flashcards
(15 cards)
Corrosion leads to what
Degradation of facilities
What is atmosphere corrosion?
Deterioration of a material, usually a metal by a reaction when it’s environment
What are signs of recognizing atmosphere corrosion on iron/steel the signs will be what?
Scaling, bubbling, flaking, and pitting
On aluminum, the signs will be for recognizing atmosphere, corrosion
Loss of aluminum and buildup of a grayish powdery substance
Atmosphere corrosion on risers is typically found at what level and what width
It’s typically found at ground level with metal loss with rust, bulging, blistering, bubbling, paint or tape
All risers must have an approved protective coating, where the riser exits the ground, such as what
Epoxy and tape
What additional protection can you add for a riser
A sleeve
All components must be protected with what
Primer and paint
What are the exceptions for primer and paint for protective coatings
Meter lens, brass tag and the meter identification tags
What must be done if atmosphere corrosion is found at riser or MSA
A visual inspection
Areas of an atmospheric corrosion must be what
Repaired replaced and reported
The surface can be cleaned of any components by using
120 grit sandpaper or a steel brush
What should we look for when doing a visual inspection on aluminum?
Build up of a grayish powdery substance
Loss of metal
Loss of aluminum
What should we do when doing a visual inspection for iron/steel?
Bubbling
Flaking
Scaling
Pitting
What should we look for wondering doing a visual inspection for risers?
Blistering
Bubbling tape
Bubbling paint
Bulging
